12 terms

Hierarchical Organization

Quiz on Thurs, Feb 28th
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hierarchical organization
larger more general categories are divided into smaller more specific categories creating a number of levels of categories
cells
The basic unit of all living things
tissue
group of specialized cells such as muscle
organs
different tissues grouped together to form larger functional units
organ systems
a group of organs that work together in performing vital body functions
organisms
living things such as plants and animals, including people
ecosystem
a system formed by the interaction of a community of organisms with their physical environment
abiotic
describes the nonliving part of the environment, including water, rocks, light, and temperature
biotic
Features of the environment that are alive or were once alive
DNA
the material that contains the information that determines inherited characteristics
metabolize
to break down substances in cells to obtain energy
homeostasis
the ability of a living thing to keep conditions inside its body constant
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